相关疑难解决方法(0)

系统：

Ruby：2.6.3p62（rvm）
Rails：6.0
OS：macOS 10.14.6

设定

全新的Rails 6.0应用程序：

$ rails new testshop2
$ cd testshop2
$ rails g controller Page index
$ rails s
=> Booting Puma
=> Rails 6.0.0 application starting in development 
=> Run `rails server --help` for more startup options
Puma starting in single mode...
* Version 3.12.1 (ruby 2.6.3-p62), codename: Llamas in Pajamas
* Min threads: 5, max threads: 5
* Environment: development
* Listening on tcp://localhost:3000
Use Ctrl-C to stop

当我浏览到` http：// localhost：3000 / page …